Swivel hinge for safety fence



FIG. 1 is an upper left front perspective view of the swivel hinge for safety fence in accordance with the design;

FIG. 2 is an upper right front perspective view of FIG. 1;

FIG. 3 is a front view of FIG. 1;

FIG. 4 is a back view of FIG. 1;

FIG. 5 is a top view of FIG. 1;

FIG. 6 is a bottom view of FIG. 1;

FIG. 7 is a left side view of FIG. 1; and,

FIG. 8 is a right side view of FIG. 1.

The broken lines depict an environment of use and form no part of the claim. 

CLAIM The ornamental design for a swivel hinge for safety fence, as shown and described. 